When a busy high profile public figure such as, let's say, Barack Obama gets a Twitter account, it's pretty much granted that he doesn't have the time to actually 'tweet' - therefore the situation calls for a GHOST TWITTERER (similar to a ghost writer), a person in that person's staff, who does the tweeting for him (her).
It's pretty obvious he has a ghost twitterer.
by lucie_in_the_sky December 28, 2010
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Someone that posts multiple tweets, but never gets a "mention", so they feel invisible on Twitter.
John: OMG! I've posted 73 tweets and not ONE SINGLE RESPONSE!!! I feel like a twitter ghost.

Ichabod: What are you saying? All I hear is, "Blah, blah, blah."
by iconoguy November 10, 2009
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